DE179642C - - Google Patents
Info
- Publication number
- DE179642C DE179642C DENDAT179642D DE179642DA DE179642C DE 179642 C DE179642 C DE 179642C DE NDAT179642 D DENDAT179642 D DE NDAT179642D DE 179642D A DE179642D A DE 179642DA DE 179642 C DE179642 C DE 179642C
- Authority
- DE
- Germany
- Prior art keywords
- collector segment
- tachometers
- machines
- wave
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000737 periodic effect Effects 0.000 claims 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE179642C true DE179642C (enExample) |
Family
ID=443958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT179642D Active DE179642C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE179642C (enExample) |
-
0
- DE DENDAT179642D patent/DE179642C/de active Active
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